WO2017082951A1 - Mécanismes pour réseaux monofréquence dans des scénarios mobiles à grande vitesse - Google Patents

Mécanismes pour réseaux monofréquence dans des scénarios mobiles à grande vitesse Download PDF

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Publication number
WO2017082951A1
WO2017082951A1 PCT/US2016/025734 US2016025734W WO2017082951A1 WO 2017082951 A1 WO2017082951 A1 WO 2017082951A1 US 2016025734 W US2016025734 W US 2016025734W WO 2017082951 A1 WO2017082951 A1 WO 2017082951A1
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WO
WIPO (PCT)
Prior art keywords
physical
channel
payload
channel transmission
sfn
Prior art date
Application number
PCT/US2016/025734
Other languages
English (en)
Inventor
Dae Jung Yoon
Andrey Chervyakov
Shuang TIAN
Yang Tang
Original Assignee
Intel IP Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Intel IP Corporation filed Critical Intel IP Corporation
Priority to US15/772,473 priority Critical patent/US10516468B2/en
Priority to CN201680063751.5A priority patent/CN108352865A/zh
Publication of WO2017082951A1 publication Critical patent/WO2017082951A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/022—Site diversity; Macro-diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0882—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using post-detection diversity
    • H04B7/0888—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using post-detection diversity with selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0204—Channel estimation of multiple channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0617—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal for beam forming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices
    • H04W88/085—Access point devices with remote components

Definitions

  • FIG. 4 provides an example mapping 400 that illustrates correlations between time symbols and correlations between frequency symbols.
  • Units of the horizontal axis can represent time, while units of the vertical axis can represent frequency.
  • the resource element that is at row 406 and at column 402 can have a time- symbol correlation with the resource element that is at row 406 and at column 404.
  • the resource element that is at row 406 and at column 402 can have a frequency-symbol correlation with the resource element that is at row 408 and at column 402.
  • the first option it is assumed that only one RRH channel path is valid and other signals are regarded as interference and noise. This option provides benefit when one path has a significantly strong propagation power than other paths and the other paths are too negligible to cause a large channel estimation error.
  • the second option provides benefit when more than one path has a significant valid propagation.
  • Detection methods can be applied based on the first option, the second option, or a model that is a combination of the first and second options. Interference rejection methods also can be applied.
  • the functionality 700 can include identifying a User Equipment (UE) that is moving through a coverage area of the SFN and is likely to experience unequal Doppler shifts for wireless transmissions sent from different transmission points in the SFN.
  • UE User Equipment
  • FIG. 9 provides an example illustration of a user equipment (UE) device
  • the baseband circuitry 904 may include a second generation (2G) baseband processor 904a, third generation (3G) baseband processor 904b, fourth generation (4G) baseband processor 904c, and/or other baseband processor(s) 904d for other existing generations, generations in development or to be developed in the future (e.g., fifth generation (5G), 6G, etc.).
  • the baseband circuitry 904 e.g., one or more of baseband processors 904a-d

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention décrit des technologies qui portent sur des mécanismes pour un UE original se déplaçant à grande vitesse (par ex., dans un train à grande vitesse) pour estimer les décalages par effet Doppler opposés séparément pour différents RRH dans un SFN de sorte que l'UE puisse recevoir plus efficacement une charge utile attribuée par le SFN. De plus, la présente invention concerne des mécanismes de traitement de signaux d'UE pour améliorer la performance de récepteurs HST de sorte qu'une bonne performance de démodulation puisse être atteinte sans affecter significativement la réalisation de l'UE. La présente invention concerne une infrastructure spécifique pour améliorer le fonctionnement d'un système SFN cellulaire au moyen d'une combinaison de transmissions d'un signal de données SFN provenant de différents RRH et de transmissions orthogonales de signaux de référence non-SFN provenant de différents RRH. Un UE peut estimer un canal de propagation pour chaque RRH au moyen d'un signal de référence et utiliser ces informations pour améliorer la démodulation du signal de données SFN combiné.
PCT/US2016/025734 2015-11-09 2016-04-01 Mécanismes pour réseaux monofréquence dans des scénarios mobiles à grande vitesse WO2017082951A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US15/772,473 US10516468B2 (en) 2015-11-09 2016-04-01 Mechanisms for single frequency networks in high-speed mobile scenarios
CN201680063751.5A CN108352865A (zh) 2015-11-09 2016-04-01 高速移动场景下用于单频网络的机制

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201562253056P 2015-11-09 2015-11-09
US62/253,056 2015-11-09

Publications (1)

Publication Number Publication Date
WO2017082951A1 true WO2017082951A1 (fr) 2017-05-18

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2016/025734 WO2017082951A1 (fr) 2015-11-09 2016-04-01 Mécanismes pour réseaux monofréquence dans des scénarios mobiles à grande vitesse

Country Status (3)

Country Link
US (1) US10516468B2 (fr)
CN (1) CN108352865A (fr)
WO (1) WO2017082951A1 (fr)

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EP3965522A4 (fr) * 2019-05-02 2022-12-07 Ntt Docomo, Inc. Équipement utilisateur et procédé de communication
EP4092925A4 (fr) * 2020-02-10 2023-01-11 Huawei Technologies Co., Ltd. Procédé et appareil de transmission de données

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US10879963B2 (en) 2015-02-11 2020-12-29 Ipcom Gmbh & Co. Kg Method and device for configuring a single frequency network
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Also Published As

Publication number Publication date
CN108352865A (zh) 2018-07-31
US10516468B2 (en) 2019-12-24
US20180316409A1 (en) 2018-11-01

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